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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Toor and Marchello
Stefan
Fick
Gilliland

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Mass Transfer
Deairation (removal of O₂) of water is done by

Adsorption
Rectification
Absorption
Ion-exchange

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Penetration
None of the listed here
Surface renewal
Film

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Mass Transfer
Unit of molal diffusivity is

Gm moles/cm² . sec
Gm moles/cm². sec
Gm moles/cm. sec
Cm²/sec gm . mole

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Mass Transfer
Which of the following remains constant during sensible cooling process ?

Specific humidity
Partial pressure of vapour
None of the listed here
Specific humidity & Partial pressure of vapour

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-0.6
-1.5
0.6
1.5

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